Friday, February 26, 2016

Sand Dollar

Sand Dollar Dorsal
They live in the shallower parts of the sea below low tide and above 5000 ft.  The shells bleach in the sun when washed up to the color we recognize.  While alive, they are covered with maroon colored movable spines.  The above image is the upper side and the below is under side.  The opening in the center is the mouth.



Sand Dollar Pectoral
The sand dollar is found in the Northern Pacific and Northwest Atlantic oceans.  The slits and furrow correspond to the five arms of the star fish.  The Sand Dollar has been around since the 5.33 to 2.58 million years ago times.  That span of years is called the Pliocene Epoch.

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